Adapting to Impacts of Climate Change on Water Supply in Mexico City

Mexico City is one of the largest cities in the world. Located in a closed basin of 9,600 km2, Mexico City spreads over a surface of 4,250 km2 at 2,240 meters above the sea level. The city has 18.6 million inhabitants, concentrates 18 % of country’s population and generates 35% of Mexico’s gross domestic product on a surface equivalent to less than 0.3% of the national territory. As a metropolitan area, the city comprises the 16 Delegaciones1 of the Federal District (DF) and 34 municipalities of the State of Mexico2,3 for a total of 50 geopolitical and administrative units who must coordinate among themselves in terms of urban planning, public services provision, and overall city management.